---
id: "CVE-2026-76939"
kind: "vulnerability"
aliases: ["CVE-2026-76939"]
title: "JP1 Automatic Job Management System 3: heap overflow may allow code execution"
severity: "critical"
cvss: 9.8
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["automatic-job-management", "enterprise-ops", "job-scheduling", "jp1", "other"]
not_affected_if: ["version-13-50-31-or-later"]
published_at: "2026-10-27T10:16:55+00:00"
first_seen_at: "2026-10-27T10:31:02+00:00"
updated_at: "2026-10-27T10:31:38+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-76939", "first_seen_at": "2026-10-27T10:31:02+00:00"}]
---

# JP1 Automatic Job Management System 3: heap overflow may allow code execution

JP1/Automatic Job Management System 3 Manager and Agent contain a heap-based buffer overflow in versions from 11-00 before 13-50-31. An attacker who can reach the service may be able to corrupt memory and run code, though the sources do not describe the exact trigger.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed JP1/Automatic Job Management System 3 Manager and Agent versions against `13-50-31`; the sources do not say how to read the version locally, so unknown for the exact command.

## Fix

- Upgrade JP1/Automatic Job Management System 3 Manager and Agent to `13-50-31` or later, per the vendor advisory (the sources do not link it, so the exact fixed build is unknown).

## Timeline

- 2026-10-27T10:31:02+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-76939

## From the sources

Heap-based Buffer Overflow Vulnerability in JP1/Automatic Job Management System 3.

This issue affects JP1/Automatic Job Management System 3 - Manager: from 11-00 before 13-50-31; JP1/Automatic Job Management System 3 - Agent: from 11-00 before 13-50-31.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_